When you're stuck at home on a rainy day, don't let the weather ruin your fun. Instead of being bummed out, get creative with your kiddos and Hape Junior Inventor STEAM Science Lab Playset. This experiment playset is recommended for ages 4 and up with adult supervision. Explore the scientific possibilities with all you need for hours of fun with 8 experiments in your home lab. Equipped with 53 pieces including a periscope, 3D viewer, rotating kaleidoscope, infinity mirror, and more, your child will love diving into the excitement of science, technology, engineering, arts, and math. Download the convenient "know-how" mobile app to easily get started right away with this STEAM toy. Spark curiosity and encourage experimentation in your little one to set them up for a lifetime of learning with Hape's Junior Inventor Playset. Challenge their mind as they work through detailed instruction guides, soaking in the laws of light reflection, refraction, and more.